They are red and white because the man that first made them wanted to remind people of the true meaning of Christmas. The white represents the virgin birth of Jesus, the red stripes the blood Jesus...
It is commonly believed that the white in the candy symbolizes the purity of the virgin birth of Christ and His holy, sinless nature. On a more secular note it can also refer to the purity of the...
Christmas. Red and White are the unofficial colors of Christmas. Notice that santa wears red and white as well. Aside from just trying to be relevant to Christmas they don't represent much anything...